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1e57a462 | 1 | /** @file\r |
2 | *\r | |
3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r | |
1e57a462 | 4 | *\r |
a1594be9 | 5 | * SPDX-License-Identifier: BSD-2-Clause-Patent\r |
1e57a462 | 6 | *\r |
7 | **/\r | |
8 | \r | |
9 | #include <Library/IoLib.h>\r | |
10 | #include <Library/ArmPlatformLib.h>\r | |
11 | #include <Library/DebugLib.h>\r | |
12 | #include <Library/PcdLib.h>\r | |
13 | \r | |
14 | #include <Omap3530/Omap3530.h>\r | |
15 | #include <BeagleBoard.h>\r | |
16 | \r | |
17 | VOID\r | |
18 | PadConfiguration (\r | |
19 | BEAGLEBOARD_REVISION Revision\r | |
20 | );\r | |
21 | \r | |
22 | VOID\r | |
23 | ClockInit (\r | |
24 | VOID\r | |
25 | );\r | |
26 | \r | |
27 | /**\r | |
28 | Detect board revision\r | |
29 | \r | |
30 | @return Board revision\r | |
31 | **/\r | |
32 | BEAGLEBOARD_REVISION\r | |
33 | BeagleBoardGetRevision (\r | |
34 | VOID\r | |
35 | )\r | |
36 | {\r | |
37 | UINT32 OldPinDir;\r | |
38 | UINT32 Revision;\r | |
39 | \r | |
40 | // Read GPIO 171, 172, 173\r | |
41 | OldPinDir = MmioRead32 (GPIO6_BASE + GPIO_OE);\r | |
42 | MmioWrite32(GPIO6_BASE + GPIO_OE, (OldPinDir | BIT11 | BIT12 | BIT13));\r | |
43 | Revision = MmioRead32 (GPIO6_BASE + GPIO_DATAIN);\r | |
3402aac7 | 44 | \r |
1e57a462 | 45 | // Restore I/O settings\r |
46 | MmioWrite32 (GPIO6_BASE + GPIO_OE, OldPinDir);\r | |
3402aac7 | 47 | \r |
1e57a462 | 48 | return (BEAGLEBOARD_REVISION)((Revision >> 11) & 0x7);\r |
49 | }\r | |
50 | \r | |
51 | /**\r | |
52 | Return the current Boot Mode\r | |
53 | \r | |
54 | This function returns the boot reason on the platform\r | |
55 | \r | |
56 | **/\r | |
57 | EFI_BOOT_MODE\r | |
58 | ArmPlatformGetBootMode (\r | |
59 | VOID\r | |
60 | )\r | |
61 | {\r | |
62 | return BOOT_WITH_FULL_CONFIGURATION;\r | |
63 | }\r | |
64 | \r | |
65 | /**\r | |
66 | Initialize controllers that must setup at the early stage\r | |
67 | \r | |
68 | Some peripherals must be initialized in Secure World.\r | |
69 | For example, some L2x0 requires to be initialized in Secure World\r | |
70 | \r | |
71 | **/\r | |
72 | RETURN_STATUS\r | |
73 | ArmPlatformInitialize (\r | |
74 | IN UINTN MpId\r | |
75 | )\r | |
76 | {\r | |
77 | BEAGLEBOARD_REVISION Revision;\r | |
78 | \r | |
79 | Revision = BeagleBoardGetRevision();\r | |
80 | \r | |
81 | // Set up Pin muxing.\r | |
82 | PadConfiguration (Revision);\r | |
83 | \r | |
84 | // Set up system clocking\r | |
85 | ClockInit ();\r | |
86 | \r | |
87 | // Turn off the functional clock for Timer 3\r | |
88 | MmioAnd32 (CM_FCLKEN_PER, 0xFFFFFFFF ^ CM_ICLKEN_PER_EN_GPT3_ENABLE );\r | |
cf93a378 | 89 | ArmDataSynchronizationBarrier ();\r |
1e57a462 | 90 | \r |
91 | // Clear IRQs\r | |
92 | MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);\r | |
cf93a378 | 93 | ArmDataSynchronizationBarrier ();\r |
1e57a462 | 94 | \r |
95 | return RETURN_SUCCESS;\r | |
96 | }\r | |
97 | \r | |
1e57a462 | 98 | VOID\r |
99 | ArmPlatformGetPlatformPpiList (\r | |
100 | OUT UINTN *PpiListSize,\r | |
101 | OUT EFI_PEI_PPI_DESCRIPTOR **PpiList\r | |
102 | )\r | |
103 | {\r | |
104 | *PpiListSize = 0;\r | |
105 | *PpiList = NULL;\r | |
106 | }\r | |
107 | \r | |
108 | UINTN\r | |
109 | ArmPlatformGetCorePosition (\r | |
110 | IN UINTN MpId\r | |
111 | )\r | |
112 | {\r | |
113 | return 1;\r | |
114 | }\r | |
115 | \r |